Crystal report 7.0 how to add link of another report

Hello
im using crystal report 7.0...with VB 6.0
i want to open another report by clicking on link
eg.
i hv showing Invoice wise Summary like InvNo, date, party, TotalAmount
which is im showing in one report.
now i want to open another report when user click on InvNo column.. if user clicks on Invno 0001 then another report should open showing Itemwise details...
is there any solution for this.?
waiting for ur reply..

Moved to Reporting